Flow shear induced Compton scattering of electron drift instability

Technical Report · Sat Feb 01 04:00:00 EST 1992

DOI:https://doi.org/10.2172/5746326· OSTI ID:5746326

Hahm, T S

Plasma flow shear effects on nonlinear saturation of electron drift waves are analyzed in the weak turbulence regime. Flow shear can enhance ion Compton scattering of long wavelength electron drift waves not only by modifying the beat wave-ion resonance condition, but also via the radial dependence of linear susceptibility. A nonlinear dispersion relation is obtained as a solution of the radially nonlocal nonlinear eigenmode equation. At nonlinear saturation, the spectral intensity of the fluctuations scales with flow shear as ({partial derivative}V{var phi}/{partial derivative}r){sup {minus}2} in addition to the linear dependence on the linear growth rate.

• Research Organization: Princeton Univ., NJ (United States). Plasma Physics Lab.
• Sponsoring Organization: DOE; USDOE, Washington, DC (United States)
• DOE Contract Number: AC02-76CH03073
• OSTI ID: 5746326
• Report Number(s): PPPL-2830; ON: DE92008505
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700340* -- Plasma Waves
Oscillations
& Instabilities-- (1992-)
700370 -- Plasma Fluid & MHD Properties-- (1992-)
BASIC INTERACTIONS
CLOSED PLASMA DEVICES
COMPTON EFFECT
CONFINEMENT
DISPERSION RELATIONS
ELASTIC SCATTERING
ELECTROMAGNETIC INTERACTIONS
ELECTRON PLASMA WAVES
FLUID FLOW
H-MODE PLASMA CONFINEMENT
INTERACTIONS
NONLINEAR PROBLEMS
PLASMA CONFINEMENT
PLASMA FLUID EQUATIONS
PLASMA WAVES
SCATTERING
SHEAR
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TURBULENT FLOW